Finding the Fourth Proportional to 31,821.27, 47,719.59 and 10,755.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,821.27 : 47,719.59 = 10,755.68 : x
2. Step 2: Convert to fraction form
   31,821.27/47,719.59 = 10,755.68/x
3. Step 3: Cross multiply
   31,821.27x = 47,719.59 × 10,755.68
4. Step 4: Simplify right side
   31,821.27x = 513,256,401.17
5. Step 5: Solve for x
   x = 513,256,401.17/31,821.27
6. Step 6: Final answer
   x = 16,129.35